05-27-2015
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1. UNIX for Dummies Questions & Answers
Hello!
I want to evaluate some mathematical expressions in a script and I try to use 'expr' command.
Unfortunatally, when I have, for example,
expr 8.2 + 6
the result is 'expr: non-numeric argument'
Why ?
I work on SunOs 5.7.
Thanks in advance
Nathe (5 Replies)
Discussion started by: Nathe
5 Replies
2. Shell Programming and Scripting
Hi,
in my ksh script
expr 22 / 10 results as 2
but the actual result expected in 2.2.
how do i get that result. Please help
Thanks, (2 Replies)
Discussion started by: kotasateesh
2 Replies
3. Shell Programming and Scripting
sum=0;
cat op_api2 |while read word1 word2;
do
echo $word2
sum=`expr $word2 + $sum`;
done
echo $sum
op_api2 ( file has this data )
----------------------------
UsageSummary 1034
UsageSummary 1675
UnbilledUsage 175
UnbilledUsage 177
UnbilledUsage 177
UnbilledUsage 194
I want the... (2 Replies)
Discussion started by: bishweshwar
2 Replies
4. Red Hat
i am new to shell programming, currently using redhat linux of version
2.4.20-8.
i have problem in executing expr command in the following shell script
$ x=5
$ x='expr $x + 1'
$ echo $x
the output is displaying always
expr $x + 1
Pls guide me for the above query (3 Replies)
Discussion started by: saikumarm80
3 Replies
5. Shell Programming and Scripting
What is the difference between test expr VS .
For example :
if test 5 -eq 6
echo "Wrong"
and
if
echo "Wrong"
bot will give the same output as Wrong.
Now, what is the difference between these two? though they are producing the same result why we need two?
Any answer will be... (2 Replies)
Discussion started by: ashok.g
2 Replies
6. Shell Programming and Scripting
I'm trying to check if a variable'd string is only one character and use that in an if statement the only way I could find is:
$expr "${var}" : . # expr STRING : regrep
where the "." is the grep wildcard for any single character.
Whats wrong with my code here and is there a... (3 Replies)
Discussion started by: Tewg
3 Replies
7. Shell Programming and Scripting
$ cat > mtable
#!/bin/sh
#
#Script to test for loop
#
#
if
then
echo "Error - Number missing form command line argument"
echo "Syntax : $0 number"
echo "Use to print multiplication table for given number"
exit 1
fi
n=$1
for i in 1 2 3 4 5 6 7 8 9 10
do
echo "$n * $i = `expr $i \*... (1 Reply)
Discussion started by: jackel7777
1 Replies
8. UNIX for Dummies Questions & Answers
Hey there
i want to subtract the content from $b from $a. Each variable has got 18 values (normal numbers from 0 - 99).
How can i subtract them? I know i have to use the expr command, this is what i have till now:
a=`cat Tabelle.dat | awk {'print $4'} | awk -F: {'print $1'}`
b=`cat... (1 Reply)
Discussion started by: Mad van Bert
1 Replies
9. Shell Programming and Scripting
Hi All,
I'm writing a shell script in KSH, where I want to store the filename, total record count and actual record count of all the source files. The source files reside in 4 different sub-folders under the same root folder.
Below is code:
#!/usr/bin/ksh... (6 Replies)
Discussion started by: jagari
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10. Shell Programming and Scripting
Hi
I have bellow script:
t1=`cat node1.txt | grep thread1 | cut -f2 -d '-'`
t2=`cat node2.txt | grep thread2 | cut -f2 -d '-'`
t3=`cat node1_rcat.txt | grep thread1 | cut -f2 -d '-'`
t4=`cat node2_rcat.txt | grep thread2 | cut -f2 -d '-'`
if ]; then
echo "no restore" >> log.log... (6 Replies)
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LEARN ABOUT X11R4
callgrind_annotate
CALLGRIND
ANNOTATE(1) Release 3.7.0 CALLGRIND ANNOTATE(1)
NAME
callgrind_annotate - post-processing tool for the Callgrind
SYNOPSIS
callgrind_annotate [options] [callgrind-out-file [source-files...]]
DESCRIPTION
callgrind_annotate takes an output file produced by the Valgrind tool Callgrind and prints the information in an easy-to-read form.
OPTIONS
-h --help
Show summary of options.
--version
Show version of callgrind_annotate.
--show=A,B,C [default: all]
Only show figures for events A,B,C.
--sort=A,B,C
Sort columns by events A,B,C [event column order].
--threshold=<0--100> [default: 99%]
Percentage of counts (of primary sort event) we are interested in.
--auto=<yes|no> [default: no]
Annotate all source files containing functions that helped reach the event count threshold.
--context=N [default: 8]
Print N lines of context before and after annotated lines.
--inclusive=<yes|no> [default: no]
Add subroutine costs to functions calls.
--tree=<none|caller|calling|both> [default: none]
Print for each function their callers, the called functions or both.
-I, --include=<dir>
Add dir to the list of directories to search for source files.
SEE ALSO
valgrind(1), $INSTALL/share/doc/valgrind/html/index.html or http://www.valgrind.org/docs/manual/index.html.
AUTHOR
Josef Weidendorfer <Josef.Weidendorfer@gmx.de>.
This manual page was written by Philipp Frauenfelder <pfrauenf@debian.org>.
Release 3.7.0 06/05/2012 CALLGRIND ANNOTATE(1)